Natural illumination device



FIG. 1 is a perspective view of the inventive natural illumination device;

FIG. 2 is a front elevational view of the natural illumination device, the rear, right side, and left side being identical thereto;

FIG. 3 is a top plan view of the natural illumination device;

FIG. 4 is a bottom view of the natural illumination device;

FIG. 5 is an enlarged view of an upper central area of the natural illumination device shown in FIG. 3;

FIG. 6 is a sectional view taken along line 6--6 in FIG. 3;

FIG. 7 is an enlarged partial sectional view taken along line 7--7 of FIG. 5; and,

FIG. 8 is an enlarged partial sectional view confined by lines 8--8 in FIG. 6. 

The ornamental design for a natural illumination device, as described and shown. 